70043525 has 6 divisors (see below), whose sum is σ = 86854002. Its totient is φ = 56034800.

The previous prime is 70043513. The next prime is 70043527. The reversal of 70043525 is 52534007.

It can be written as a sum of positive squares in 3 ways, for example, as 3364 + 70040161 = 58^2 + 8369^2 .

It is not a de Polignac number, because 70043525 - 2⁶ = 70043461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70043494 and 70043503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70043527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1400846 + ... + 1400895.

It is an arithmetic number, because the mean of its divisors is an integer number (14475667).

Almost surely, 2^70043525 is an apocalyptic number.

It is an amenable number.

70043525 is a deficient number, since it is larger than the sum of its proper divisors (16810477).

70043525 is a wasteful number, since it uses less digits than its factorization.

70043525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801751 (or 2801746 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 70043525 is about 8369.2009773932. The cubic root of 70043525 is about 412.2139308271.

The spelling of 70043525 in words is "seventy million, forty-three thousand, five hundred twenty-five".